package com.shiyipicture.shiyipicturebackend.controller;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.shiyipicture.shiyipicturebackend.annotation.AuthCheck;
import com.shiyipicture.shiyipicturebackend.common.BaseResponse;
import com.shiyipicture.shiyipicturebackend.common.DeleteRequest;
import com.shiyipicture.shiyipicturebackend.common.ResultUtils;
import com.shiyipicture.shiyipicturebackend.constant.UserConstant;
import com.shiyipicture.shiyipicturebackend.exception.BusinessException;
import com.shiyipicture.shiyipicturebackend.exception.ErrorCode;
import com.shiyipicture.shiyipicturebackend.exception.ThrowUtils;
import com.shiyipicture.shiyipicturebackend.model.dto.user.*;
import com.shiyipicture.shiyipicturebackend.model.entity.User;
import com.shiyipicture.shiyipicturebackend.model.vo.UserLoginVo;
import com.shiyipicture.shiyipicturebackend.model.vo.UserVO;
import com.shiyipicture.shiyipicturebackend.service.UserService;
import org.springframework.beans.BeanUtils;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.util.List;

@RestController
@RequestMapping("/user")
public class UserController {

  @Resource
  private UserService userService;

  @PostMapping("/userRegister")
  @AuthCheck(mustRole = "admin")
  public BaseResponse<Long> userRegister(@RequestBody UserRegisterRequest userRegisterRequest){
    ThrowUtils.throwIf(userRegisterRequest == null, ErrorCode.PARAMS_ERROR);
    String userAccount = userRegisterRequest.getUserAccount();
    String userPassword = userRegisterRequest.getUserPassword();
    String checkPassword = userRegisterRequest.getCheckPassword();
    long result = userService.userRegister(userAccount, userPassword, checkPassword);
    return ResultUtils.success(result);
  }

  @PostMapping("/userLogin")
  public BaseResponse<UserLoginVo> userLogin(@RequestBody UserLoginRequest userRegisterRequest, HttpServletRequest request){
    ThrowUtils.throwIf(userRegisterRequest == null, ErrorCode.PARAMS_ERROR);
    String userAccount = userRegisterRequest.getUserAccount();
    String userPassword = userRegisterRequest.getUserPassword();
    UserLoginVo userLoginVo = userService.userLogin(userAccount, userPassword, request);
    return ResultUtils.success(userLoginVo);
  }

  /**
   * 获取当前登录用户
   * @param request
   * @return
   */
  @GetMapping("/get/login")
  public BaseResponse<UserLoginVo> getLoginUser(HttpServletRequest request){
    User loginUser = userService.getLoginUser(request);
    return ResultUtils.success(userService.getLoginUserVo(loginUser));
  }

  /**
   * 用户注销
   * @param request
   * @return
   */
  @GetMapping("/userLogout")
  public BaseResponse<Boolean> userLogout(HttpServletRequest request){
    ThrowUtils.throwIf(request == null,ErrorCode.PARAMS_ERROR);
    boolean result = userService.userLogout(request);
    return ResultUtils.success(result);
  }

  /**
   * 创建用户
   */
  @PostMapping("/add")
  @AuthCheck(mustRole = UserConstant.ADMIN_ROLE)
  public BaseResponse<Long> addUser(@RequestBody UserAddRequest userAddRequest) {
    ThrowUtils.throwIf(userAddRequest == null, ErrorCode.PARAMS_ERROR);
    User user = new User();
    BeanUtils.copyProperties(userAddRequest, user);
    // 默认密码 12345678
    final String DEFAULT_PASSWORD = "12345678";
    String encryptPassword = userService.getEncryptPassword(DEFAULT_PASSWORD);
    user.setUserPassword(encryptPassword);
    boolean result = userService.save(user);
    ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
    return ResultUtils.success(user.getId());
  }

  /**
   * 根据 id 获取用户（仅管理员）
   */
  @GetMapping("/get")
  @AuthCheck(mustRole = UserConstant.ADMIN_ROLE)
  public BaseResponse<User> getUserById(long id) {
    ThrowUtils.throwIf(id <= 0, ErrorCode.PARAMS_ERROR);
    User user = userService.getById(id);
    ThrowUtils.throwIf(user == null, ErrorCode.NOT_FOUND_ERROR);
    return ResultUtils.success(user);
  }

  /**
   * 根据 id 获取包装类
   */
  @GetMapping("/get/vo")
  public BaseResponse<UserVO> getUserVOById(long id) {
    BaseResponse<User> response = getUserById(id);
    User user = response.getData();
    return ResultUtils.success(userService.getUserVo(user));
  }

  /**
   * 删除用户
   */
  @PostMapping("/delete")
  @AuthCheck(mustRole = UserConstant.ADMIN_ROLE)
  public BaseResponse<Boolean> deleteUser(@RequestBody DeleteRequest deleteRequest) {
    if (deleteRequest == null || deleteRequest.getId() <= 0) {
      throw new BusinessException(ErrorCode.PARAMS_ERROR);
    }
    boolean b = userService.removeById(deleteRequest.getId());
    return ResultUtils.success(b);
  }

  /**
   * 更新用户
   */
  @PostMapping("/update")
  @AuthCheck(mustRole = UserConstant.ADMIN_ROLE)
  public BaseResponse<Boolean> updateUser(@RequestBody UserUpdateRequest userUpdateRequest) {
    if (userUpdateRequest == null || userUpdateRequest.getId() == null) {
      throw new BusinessException(ErrorCode.PARAMS_ERROR);
    }
    User user = new User();
    BeanUtils.copyProperties(userUpdateRequest, user);
    boolean result = userService.updateById(user);
    ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
    return ResultUtils.success(true);
  }

  /**
   * 分页获取用户封装列表（仅管理员）
   *
   * @param userQueryRequest 查询请求参数
   */
  @PostMapping("/list/page/vo")
  @AuthCheck(mustRole = UserConstant.ADMIN_ROLE)
  public BaseResponse<Page<UserVO>> listUserVOByPage(@RequestBody UserQueryRequest userQueryRequest) {
    ThrowUtils.throwIf(userQueryRequest == null, ErrorCode.PARAMS_ERROR);
    long current = userQueryRequest.getCurrent();
    long pageSize = userQueryRequest.getPageSize();
    Page<User> userPage = userService.page(new Page<>(current, pageSize),
      userService.getQueryWrapper(userQueryRequest));
    Page<UserVO> userVOPage = new Page<>(current, pageSize, userPage.getTotal());
    List<UserVO> userVOList = userService.getUserVoList(userPage.getRecords());
    userVOPage.setRecords(userVOList);
    return ResultUtils.success(userVOPage);
  }

}
